The Tor Browser / file comparison
comparison: netwerk/test/unit/test_bug654926_doom_and_read.js
netwerk/test/unit/test_bug654926_doom_and_read.js
- changeset 1
- ca08bd8f51b2
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| -1:000000000000 | 0:c9cd983546df |
|---|---|
| 1 function gen_1MiB() | |
| 2 { | |
| 3 var i; | |
| 4 var data="x"; | |
| 5 for (i=0 ; i < 20 ; i++) | |
| 6 data+=data; | |
| 7 return data; | |
| 8 } | |
| 9 | |
| 10 function write_and_check(str, data, len) | |
| 11 { | |
| 12 var written = str.write(data, len); | |
| 13 if (written != len) { | |
| 14 do_throw("str.write has not written all data!\n" + | |
| 15 " Expected: " + len + "\n" + | |
| 16 " Actual: " + written + "\n"); | |
| 17 } | |
| 18 } | |
| 19 | |
| 20 function make_input_stream_scriptable(input) { | |
| 21 var wrapper = Cc["@mozilla.org/scriptableinputstream;1"]. | |
| 22 createInstance(Ci.nsIScriptableInputStream); | |
| 23 wrapper.init(input); | |
| 24 return wrapper; | |
| 25 } | |
| 26 | |
| 27 function write_datafile(status, entry) | |
| 28 { | |
| 29 do_check_eq(status, Cr.NS_OK); | |
| 30 var os = entry.openOutputStream(0); | |
| 31 var data = gen_1MiB(); | |
| 32 | |
| 33 write_and_check(os, data, data.length); | |
| 34 | |
| 35 os.close(); | |
| 36 entry.close(); | |
| 37 | |
| 38 // open, doom, append, read | |
| 39 asyncOpenCacheEntry("http://data/", | |
| 40 "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null, | |
| 41 test_read_after_doom); | |
| 42 | |
| 43 } | |
| 44 | |
| 45 function test_read_after_doom(status, entry) | |
| 46 { | |
| 47 do_check_eq(status, Cr.NS_OK); | |
| 48 var os = entry.openOutputStream(entry.dataSize); | |
| 49 var data = gen_1MiB(); | |
| 50 | |
| 51 entry.asyncDoom(null); | |
| 52 write_and_check(os, data, data.length); | |
| 53 | |
| 54 os.close(); | |
| 55 | |
| 56 var is = entry.openInputStream(0); | |
| 57 pumpReadStream(is, function(read) { | |
| 58 do_check_eq(read.length, 2*1024*1024); | |
| 59 is.close(); | |
| 60 | |
| 61 entry.close(); | |
| 62 do_test_finished(); | |
| 63 }); | |
| 64 } | |
| 65 | |
| 66 function run_test() { | |
| 67 do_get_profile(); | |
| 68 | |
| 69 // clear the cache | |
| 70 evict_cache_entries(); | |
| 71 | |
| 72 asyncOpenCacheEntry("http://data/", | |
| 73 "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null, | |
| 74 write_datafile); | |
| 75 | |
| 76 do_test_pending(); | |
| 77 } |
